[궁수의 전설 따라해보기] 이동과 공격 (1)

using UnityEngine;
using System.Collections;

public class PlayerController : MonoBehaviour
{
    public Joystick joystick;
    public float moveSpeed = 2f;
    public GameObject bulletPrefab;
    public Transform firePoint;
    public float bulletForce = 20f;
    public float fireRate = 3f;
    public float detectionRadius = 5f; // 공격 범위
    public int damage = 1;

    private void Start()
    {
        StartCoroutine(PlayerMovementCoroutine());
        StartCoroutine(ShootCoroutine());
    }

    private IEnumerator PlayerMovementCoroutine()
    {
        while (true)
        {
            Vector2 direction = new Vector2(joystick.Horizontal, joystick.Vertical);
            transform.Translate(direction * moveSpeed * Time.deltaTime, Space.World);

            Vector3 clampedPosition = transform.position; //화면 밖 이동 제한
            clampedPosition.x = Mathf.Clamp(clampedPosition.x, -2.8f, 2.8f); 
            clampedPosition.y = Mathf.Clamp(clampedPosition.y, -5f, 25f);
            transform.position = clampedPosition;

            if (direction != Vector2.zero)
            {
                float targetAngle = Mathf.Atan2(direction.y, direction.x) * Mathf.Rad2Deg;
                transform.eulerAngles = new Vector3(0f, 0f, targetAngle - 90f);
            }
            else // 조이스틱을 움직이지 않을 때
            {
                Collider2D[] Enemies = Physics2D.OverlapCircleAll(transform.position, detectionRadius);
                Collider2D nearestEnemy = null;
                float nearestDistance = detectionRadius;

                foreach (Collider2D Enemy in Enemies)
                {
                    if (Enemy.CompareTag("Enemy"))
                    {
                        float distanceToEnemy = Vector2.Distance(transform.position, Enemy.transform.position);
                        if (distanceToEnemy < nearestDistance)
                        {
                            nearestDistance = distanceToEnemy;
                            nearestEnemy = Enemy;
                        }
                    }
                }

                if (nearestEnemy)
                {
                    Vector2 directionToNearestEnemy = nearestEnemy.transform.position - transform.position;
                    float angle = Mathf.Atan2(directionToNearestEnemy.y, directionToNearestEnemy.x) * Mathf.Rad2Deg;
                    transform.eulerAngles = new Vector3(0f, 0f, angle - 90f);
                }
            }

            yield return null;
        }
    }

    private IEnumerator ShootCoroutine()
    {
        while (true)
        {
            yield return new WaitForSeconds(fireRate);

            Vector2 direction = new Vector2(joystick.Horizontal, joystick.Vertical);

            // 조이스틱이 움직이지 않을 때만 총알 발사
            if (direction == Vector2.zero)
            {
                GameObject bullet = Instantiate(bulletPrefab, firePoint.position, firePoint.rotation);
                Rigidbody2D rb = bullet.GetComponent<Rigidbody2D>();
                if (rb)
                {
                    rb.AddForce(firePoint.up * bulletForce, ForceMode2D.Impulse);
                }
            }
        }
    }

    void OnDrawGizmos()
    {
        Gizmos.color = Color.yellow;
        Gizmos.DrawWireSphere(transform.position, detectionRadius);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CameraController : MonoBehaviour
{
    public GameObject Player;

 
    
    void Update()
    {
        if (this.Player.transform.position.y > 0 && this.Player.transform.position.y < 20)
        {
            this.transform.position
                = new Vector3(this.transform.position.x, this.Player.transform.position.y, this.transform.position.z);
        }

    }
}

using UnityEngine;
using System.Collections;

public class WallController : MonoBehaviour
{
    private void OnTriggerEnter2D(Collider2D collider)
    {
        // 트리거에 들어온 오브젝트의 태그가 "Bullet"인지 확인
        if (collider.gameObject.CompareTag("Bullet"))
        {
            Rigidbody2D rb = collider.gameObject.GetComponent<Rigidbody2D>();

            // Rigidbody2D가 있다면 움직임을 멈춤
            if (rb)
            {
                rb.velocity = Vector2.zero;
            }

            Destroy(collider.gameObject, 2f);
        }
    }

  
}

using UnityEngine;

public class EnemyController : MonoBehaviour
{
    public int hp; // 적의 체력

    [SerializeField] private PlayerController player;

    private void OnTriggerEnter2D(Collider2D collider)
    {
        if (collider.CompareTag("Bullet"))
        {
            if (player != null)
            {
                Rigidbody2D rb = collider.gameObject.GetComponent<Rigidbody2D>();

                // Rigidbody2D가 있다면 움직임을 멈춤
                if (rb)
                {
                    rb.velocity = Vector2.zero;
                }

                hp -= player.damage; // 플레이어의 공격력만큼 체력 감소

                // 체력이 0 이하가 되면 적 제거
                if (hp <= 0)
                {
                    OnDestroy();
                }
            }
        }
    }

    private void OnDestroy()
    {
        // 현재 오브젝트와 충돌 중인 모든 "Bullet" 태그를 가진 오브젝트를 찾아서 파괴
        foreach (Collider2D col in Physics2D.OverlapBoxAll(transform.position, GetComponent<Collider2D>().bounds.size, 0f))
        {
            if (col.CompareTag("Bullet"))
            {
                Destroy(col.gameObject);
            }
        }
        Destroy(this.gameObject);
    }
}

using UnityEngine;
using System.Collections;

public class BulletDestroy : MonoBehaviour //외벽 (화면 밖 클론 제거)
{

    private void OnTriggerEnter2D(Collider2D collider)
    {
        // 트리거에 들어온 오브젝트의 태그가 "Bullet"인지 확인 후 제거
        if (collider.gameObject.CompareTag("Bullet"))
        {
            Destroy(collider.gameObject);
        }
    }
}